gengliangwang commented on code in PR #38151:
URL: https://github.com/apache/spark/pull/38151#discussion_r991540251
##########
sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/util/CharVarcharCodegenUtils.java:
##########
@@ -52,4 +52,15 @@ public static UTF8String
varcharTypeWriteSideCheck(UTF8String inputStr, int limi
return trimTrailingSpaces(inputStr, numChars, limit);
}
}
+
+ public static UTF8String readSidePadding(UTF8String inputStr, int limit) {
+ int numChars = inputStr.numChars();
+ if (numChars == limit) {
+ return inputStr;
+ } else if (numChars < limit) {
+ return inputStr.rpad(limit, SPACE);
+ } else {
+ return inputStr;
Review Comment:
We need a test case for this branch, no matter what the expected behavior is.
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